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Chapter 7 Usage of Various Functions
7-31
5) instruction
(1) PID8
Available device
Flag
Instruction
M P K L F T C S D
#
D
integer
No. of
Steps
Error
(F110)
Zero
(F111)
Carry
(F112)
n
○
○
S1
○
5
○
n
Registration No. at parameter(0~7)
Error
(F110)
Error flag turns on when designating area is over
and the instruction isn’t executed.
S1
Execution status registration area
■
PID8 n S1
a) Usage
•
when the condition of execution is on, PID operation executes.
•
‘n’ is registration No.at parameter( 0 ~ 7)
b) Example program
•
When the input condition M0 turns on, PID operation executes at no.2 parameter.
•
PID execution status registrate D0000 and the output value of control result registrate D0001
•
If SV Ramp is designated, current SV is registrate D0005
Done : normal execution signal
D0000
b0
b6
b7
bF
bE bD
bC
bB
bA
b9 b8
b1
b2
b5 b4 b3
PID8
PID Control
Designation
Flag set